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T. D. ROBINSON.

VEHICLESPRING.

APPLICATION FILED JUNE 9.1919.

'1 34,403. Patented Ma1223, 1920.

7.31% Z172 so 11 ings.

Tivns nnoiamson, o'r rar'ron, MIssoUnIm 1,334,463.1 I l i To all whom it maytoacc'rn."

usefuljlmprovements 'inj Vehicle-Springs, of which the following is aspecificatioin; reference beinghad tothexaccompanying draw- 'hicle spring, andthe invention aims to provide a very simple, eflicient and practical device of this kind, 'which maybe manufactured for a. relatively low cost, and soldat a reasonable profit,

The invention vehicle springada stand variablefloa s," for instance a light load, a heavy load, or an intermediate load. While the design and construction at presentjillustrated and setforth is deemedpreferable, it is obvious that as a result of a; re-

duction of the invention to amore practical.

form for commercial purposes, the invention may be susceptibleto changes,'and the right to these changes is'claimed', provided they are comprehended withinthe scope of what is claimed. 1 The invention comprises further features and combination of parts, as will be hereinafter set forth, shown in the drawingsand claimed. In the drawings: o I

Figure 1 is a View. in side elevation Ora portion of a frame or chassis, and apart of an axle, showing the improved vehicle spring as applied thereto. and constructed in accordance with the invention.

Fig. 2 is a sectional view on line2-2 of Fig. 1, more clearly showing the location of the springs.

Fig. 8 is an enlarged-detail sectional View of a portion of a pair of springs, for withstanding intermedlate and heavy. loads,

showing the rollers on the GDdS'Of the springs in contact withwearplates on the lower edge of the sill of the chassis 'or' frame.

Fig. 4. is a sectional view on line 44 of Fig. 1.

Referring more especially to the drawings, 1 designates the side sill of a vehicle chassis or frame, and secured by bolts or the like 2 to the sill are hanger plates 3 and 4.

thatjthe'earseande Be it known that I, TIvEsffD. Ronms'on, a citizen'of the United States,'residing at, Patton, inltlie" county of Bollinger and State of Missouri, have invonted-certainnew and further aims to provide a ted to resiliently withare arranged offset to one sideofthejsill.

; Pat-shad Mar. 23, 1920.

9 One end Jofa bowed vehicle springTis I mounted pivotally upon a pino8, which is journaled in "cars 5 of the hanger plate 3. 'Itis tobenoted that this vehicle spring 7 is constructed'inthe usual manner, therefore it staples or yokes 9 andthe arched plate 10 to the supporting'axlell. The yokes or staples 9 straddlethe plate 10 and their lower 'QIIdfPOI'tlOllS pass throughthe arched l plate 12, there being nuts 13 and '14 on the arms, of the 'yokes or staples, to clamp. the

platestogether as shown; Linksl5 arepivotally'connected by meansof the pin 16 to the other endof the'bowed vehicle spring'i.

sleeve 18 betweenfthe ends of the links, 'to hold themproperly spaced. It is to benoted that by disposingithe hanger plates on the posedin a position offset below'the side of thesill.

A pairof superimposed bowed vehicle I The links are in turn pivotally mounted upon the pin 17 which is [j'ournaled in the I ears 6 of the hanger plate l, there being'a sidelof thesill 1, the vehicle spring 7 is disf prings and20 are mounted upon the axle,

and this is accomplished by means of the arched plate 22, the armsfof the yokes or staples pass through the lateral flanges of thearched plate 22, and through the plate vyokesor staples 21, which straddle the o 2S. This plate 23 is also arched and engages under the axle 11. On the arms of the yokes or staples and in engagement with the lateral flanges ofthe arched plate 22 are nuts 24 and25, and by these nuts and the yokes or staples 21 the plates 22 and 23 are drawn tightly together, thereby securely mounting 'the hanger. plates. These wear plates have.

the bowed Vehicle springs 19 and 20. These jsprings areof the usual construction, and therefore comprise the various usual leaf upwardly extending flanges engaging the opposite sides ofthe sill. The end portions of the bowed vehicle springs 19 and 20 are provided with rollers 28 and 29, journaled upon the pins 30. These rollers 28 and 29 are flanged at their ends, so that the flanges will engage portions of the, opposite edges "sprin of the wear plates, that is when the rollers frictionally contact with the wear plates. The remote ends of the Wear plates are provided with abutment shoulders 31 and 32, so as to be engaged 'by the rollers 29 of the ends of the bowed vehicle spring 19, so as to limit the bowed springlQ in its resilient spreading actions, incident to the intermediate load on the frame, and this limiting of the. msi ient action. coopera es with the re.- siliency and the pressure. or theexcessive heavy load on the frame relatively to the spring 20, in order to resist the excessive p essure of the h avy load t 13 to he served that the bowed vehicle spring 7 resists and accommodates the initial or light j l ad, while the spr ng 9 accommodates the: intermediate l0ad,"and the spring 20 to ether with the limiting action of i the rollers 29 with he shouldersfil and 32 ac commodate the extremeheavyload. It is obvious that the bowed spring 7 maybe dispensed with, if so desired, so that the bowed 3 rings 19 and 20 may withstand the various oads whichmay be carried on the vehicle. 7

The invention having been set forth, what is claimed as, new and "useful is;

1.. In a, vehicle spring, the combination with a frame sill, of an ax e, a bo d vehi le pivotally mounted upon the sill in an 0 set position thereto and slow the same and having an elongated connection with the sill at one end, connections between the owed spring and the mile, a pair of superimposed bowed vehicle springs, connected to the axle having rollers journaled in their Qpr' posite ends, and wear plates on the under face of the sill to be engaged by said rollers.

2. In a vehicle spring, the combination with a frame sill, of anaxle, a. o d hicle spring pivotally mounted upon the sill in an ofiset position thereto and below the same and having an elongated connection with the sill at one end, connections between the bowed springand the aXle,'a pair of superimposed bowed vehicle springs connected to the axle having rollers journaled in their opposite ends, and wear plates on the under face of the sill to be engaged by said rollers, said wear plates having the pair of bowed springs having flanged rollers, U-shaped wear plates secured to the end edge oftlie sill, and'having their remote ends provided with abutment shoulders to be engaged by the bowed spring for withstanding the intermediate load.

4.. T he combination with a frame sill having swear plates fixed to its end edge and spaced apart for a substantial distance, said wear plateshavingtheir remote ends provided with abutment shoulders, of a supporting axle, super-imposed bowed vehicle springs fixed to the axle, said springs having rollers journaled in their ends cooperating with the wear plates adapted to. withstand various loads which may be supported upon the frame, the rollers of one of said springs adapted to cooperate with the abutment shoulders, to insure withstanding a greater load, which may be supported upon the frame it In testimony whereofl hereunto affix my signature in the presence of two witnesses.

TIVES D. ROBINSON. Witnesses:

HARR G. KUHI A CHARLES H. KUH MAN. 

